# Holyiot vs Scan QR

The clearest difference is in-app purchases: Holyiot at none against Scan QR's 2. Holyiot also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Scan QR's advantage is update cadence (daily vs every 24 months). On price and device support there is nothing between them.

Both are free to download. Scan QR sells 2 in-app purchases, starting at $1.99 per 7 days. Holyiot asks for nothing beyond the download.

Holyiot ships an update every 24 months, Scan QR daily. The most recent releases landed on October 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Holyiot | Scan QR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Daily** |
| Size | 16 MB | 56 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) | [Ivan Kuvshinov](https://appshunter.io/developer/1756075822) |

## What reviewers say

### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-dfu/id6445978221)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scan QR

[App page](https://appshunter.io/ios/app/scan-qr-code/id6523428316)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $1.99 | per 7 days |
| All Access annual | $35.90 | per year |


## Frequently asked questions

### Is Holyiot free?

Holyiot is free to download, with no in-app purchases.

### Is Scan QR free?

Scan QR is free to download, with in-app purchases available.

### Do Holyiot or Scan QR have ads?

Scan QR shows ads; Holyiot does not.

### Which is updated more often, Holyiot or Scan QR?

Holyiot ships an update every 24 months, and Scan QR daily. Most recently, Holyiot was updated on October 7, 2026 and Scan QR on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*